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Atex

ItalyTurin and Piedmont
  1. NEGRI FRATELLI S.R.L.

    Italy

    NEGRI FRATELLI has been manufacturing ball valves in stainless and carbon steel since 1960. Our ball valves are available in a large variety of models: monoblock, 3-pieces, wafer, split body, top entry and fully welded type.We are specialized in fully welded ball valves designed for natural gas distribution networks, which are available with a wide range of devices, such as stem extensions for underground service, vents, fixed and removable gear operators, etc.The NFG quality system and products are certified to the Standards UNI EN ISO 9001, API Q1/API 6D and to the Directives 97/23/CE (PED) and 94/9/CE (ATEX).

  2. NEOSTECH - TECHNICAL SERVICES FOR ENGINEERING & CONSTRUCTION

    Italy

    Design and drafting of pressure vessels, heat exchangers, piping, steel structures and foundations. Mechanical calculations acc. to ASME VIII Div.1, TEMA, VSR, EN13445, ASME B31.3/8, API 650, PD5500, AD MERKBLATTER, AS1210, GOST, 97/23/CE – PED, 94/9/CE, ATEX, FEM analysis. Steel structures and foundations acc .to NTC2008, Euro Codes, EN-1090, ANSI / AISC, BS, ABNT NBR (Brazil), P100-1 (Romania), FEM analysis. Plant 3D models, welding documentation (WPS, PQR)